<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>测试fetch</title>
    <script type="text/javascript" src="../../js/util/StringUtil.js"></script>
</head>
<body>
<input type="text" id="col">
<button id="ceshi" onclick="ceshi()"> 测试</button>

</body>
<script type="text/javascript">


    let stringutil=new StringUtil();
    function ceshi(){
        let col = document.querySelector("#col");
        let val = col.value;
        console.log(val);
        // window.fetch();
        stringutil.test1();

    }
</script>
</html>